The dull color, rough surface texture, presence of tiny bumps, and lack of clarity in the design indicate the copper plating was chemically stripped.
A finned rim does not mean the coin was struck on a thick planchet. It simply means that the coin was struck under abnormally high ram pressure....
Judging from the photos, it appears to be a genuine error. The coin seems to show a "finned rim". Finning results from abnormally high ram...
It's post-strike damage. It appears that a curved, textured implement was pressed into the coin several times, leaving softly defined, curved...
This coin is described on the CONECA website (www.conecaonline.org). It's impolite to steal images from one site and post them on another site...
There is no mechanism by which plating can "shift". The incuse doubling is a form of die deterioration doubling. It is most exaggerated where...
I've used the term "split-line doubling" when referring to split plating, but I'm not dogmatic on its use. The DDD in zinc cents is often rather...
I see clash marks and die scratches from intentional die abrasion that was probably done in an attempt to erase the clash marks.
It's a form of die deterioration doubling. The plating hasn't split. And there is no such thing as "plate shift doubling".
You have a small cud and some peripheral die damage, possibly caused by banging against the entrance to the collar at a time when the die was...
Most of these coins don't show percussion marks on the edge, which makes the spooning scenario unlikely. They appear to be rolled and squeezed in...
The effect in both areas is caused by die deterioration.
These are die scrapes, most likely inflicted by a feeder finger.
It looks like glue to me.
I've seen these stripes on quarters and dimes. I suspect they're either marks left by the rollers or by rotating wire brushes used to clean the...
A typical capped die strike. It was struck through a late-stage die cap.
The first two photos are rather blurred, but from what I see this coin was altered outside the Mint. If this was a low-pressure strike, you'd see...
Perhaps so. Still, there's no way to establish authenticity. There are plenty of fake unplated cents in first-, second-, and third-tier slabs.
The first cent is a genuine partial brockage/broadstrike. Value is about $25. The off-center cent is worth two or three bucks.
The one you have photographed is suspiciously bright and I would question its authenticity. Genuine unplated cents are not so reflective.
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